Support multi-line braille in the virtual braille display.

chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd

Index: chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd
diff --git a/chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd b/chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd
index ba858a570bc35b72d9cb9ada500c583aa8176ac3..a2298682b9147e37694631713925e782789103b3 100644
--- a/chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd
+++ b/chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd
@@ -438,6 +438,27 @@
       <message desc="The title of the extension's options page." name="IDS_CHROMEVOX_OPTIONS_PAGE_TITLE">
         ChromeVox Options
       </message>
+      <message desc="An options page section header for options about the ChromeVox virtual display. This section lets users change the rows, columns, and display style of the virtual braille display." name="IDS_CHROMEVOX_OPTIONS_VIRTUAL_BRAILLE_DISPLAY">
+        Virtual Braille Display
+      </message>
+      <message desc="The label for a numberic input field where the user can choose the number of rows in a grid." name="IDS_CHROMEVOX_OPTIONS_VIRTUAL_BRAILLE_DISPLAY_ROWS">
+        Rows:
+      </message>
+      <message desc="The label for a numberic input field where the user can choose the number of columns in a grid." name="IDS_CHROMEVOX_OPTIONS_VIRTUAL_BRAILLE_DISPLAY_COLUMNS">
+        Columns:
+      </message>
+      <message desc="A description that tells the user that the current display style of the virtual display interleaves braille and regular text, one on top of the other." name="IDS_CHROMEVOX_OPTIONS_CURRENT_DISPLAY_STYLE_INTERLEAVE">
+        Current display style is interleave.
+      </message>
+      <message desc="A description that tells the user that the current display style of the virtual display is side by side, where regular text is on the left and braille is on the right." name="IDS_CHROMEVOX_OPTIONS_CURRENT_DISPLAY_STYLE_SIDE_BY_SIDE">
+        Current display style is side by side.
+      </message>
+      <message desc="Labels the change display style button when the display style is side by side. Pressing the button would make the text interleave with the braille cells, one on top of the other." name="IDS_CHROMEVOX_OPTIONS_CHANGE_CURRENT_DISPLAY_STYLE_INTERLEAVE">
+        Change display style to interleave.
+      </message>
+      <message desc="Labels the change display style button when the display style is interleave. Pressing the button would put all the text on the left side and all the braille cells on the right." name="IDS_CHROMEVOX_OPTIONS_CHANGE_CURRENT_DISPLAY_STYLE_SIDE_BY_SIDE">
+        Change display style to side by side.
+      </message>
       <message desc="The summary of the extension's options.  Shown at the top of the options page." name="IDS_CHROMEVOX_OPTIONS_PAGE_SUMMARY">
         Use the options below to customize ChromeVox. Changes take effect immediately.
       </message>